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Finding the Fourth Proportional to 239,712.80, 359,226.50 and 176,033.43

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Solution

The fourth proportional to 239,712.80, 359,226.50 and 176,033.43 is: 263,798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,712.80 : 359,226.50 = 176,033.43 : x
  2. Step 2: Convert to fraction form
    239,712.80/359,226.50 = 176,033.43/x
  3. Step 3: Cross multiply
    239,712.80x = 359,226.50 × 176,033.43
  4. Step 4: Simplify right side
    239,712.80x = 63,235,872,061.73
  5. Step 5: Solve for x
    x = 63,235,872,061.73/239,712.80
  6. Step 6: Final answer
    x = 263,798.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.